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Use a simpler constructor when constructing ConstantInt. Also, replace

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verbose code to sext/trunc or zext/trunc and APInt with new methods on
that class.

llvm-svn: 34794
This commit is contained in:
Reid Spencer 2007-03-01 19:32:01 +00:00
parent b0a7bfa105
commit 125af87a25
1 changed files with 9 additions and 16 deletions
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25
lib/AsmParser/llvmAsmParser.y
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@ -1713,22 +1713,17 @@ ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
GEN_ERROR("Constant value doesn't fit in type");
APInt Val(64, $2);
uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
if (BitWidth > 64)
Val.sext(BitWidth);
else if (BitWidth < 64)
Val.trunc(BitWidth);
$$ = ConstantInt::get($1, Val);
Val.sextOrTrunc(BitWidth);
$$ = ConstantInt::get(Val);
CHECK_FOR_ERROR
}
| IntType ESAPINTVAL { // arbitrary precision integer constants
uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
if ($2->getBitWidth() > BitWidth) {
GEN_ERROR("Constant value does not fit in type");
} else if ($2->getBitWidth() < BitWidth)
$2->sext(BitWidth);
else if ($2->getBitWidth() > BitWidth)
$2->trunc(BitWidth);
$$ = ConstantInt::get($1, *$2);
}
$2->sextOrTrunc(BitWidth);
$$ = ConstantInt::get(*$2);
delete $2;
CHECK_FOR_ERROR
}
@ -1737,18 +1732,16 @@ ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
GEN_ERROR("Constant value doesn't fit in type");
uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
APInt Val(BitWidth, $2);
$$ = ConstantInt::get($1, Val);
$$ = ConstantInt::get(Val);
CHECK_FOR_ERROR
}
| IntType EUAPINTVAL { // arbitrary precision integer constants
uint32_t BitWidth = cast<IntegerType>($1)->getBitWidth();
if ($2->getBitWidth() > BitWidth) {
GEN_ERROR("Constant value does not fit in type");
} else if ($2->getBitWidth() < BitWidth)
$2->zext(BitWidth);
else if ($2->getBitWidth() > BitWidth)
$2->trunc(BitWidth);
$$ = ConstantInt::get($1, *$2);
}
$2->zextOrTrunc(BitWidth);
$$ = ConstantInt::get(*$2);
delete $2;
CHECK_FOR_ERROR
}